CVE-2021-21126
Publication date 9 February 2021
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
Insufficient policy enforcement in extensions in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass site isolation via a crafted Chrome Extension.
Status
Package | Ubuntu Release | Status |
---|---|---|
chromium-browser | ||
20.04 LTS focal |
Not affected
|
|
18.04 LTS bionic |
Fixed 89.0.4389.82-0ubuntu0.18.04.1
|
|
16.04 LTS xenial |
Fixed 89.0.4389.82-0ubuntu0.16.04.1
|
|
14.04 LTS trusty | Not in release |
Notes
alexmurray
The Debian chromium source package is called chromium-browser in Ubuntu
mdeslaur
starting with Ubuntu 19.10, the chromium-browser package is just a script that installs the Chromium snap
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 · Medium |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |